JP2018509280A5

JP2018509280A5 -

Info

Publication number: JP2018509280A5
Application number: JP2017536812A
Authority: JP
Filing date: 2016-01-08
Publication date: 2018-12-13
Anticipated expiration: 2036-01-08

Claims

Including qualified polyamines that have been carried on and the solid support within a solid support, a solid carbon dioxide adsorbent for adsorbing carbon dioxide from a gas mixture, generating reaction with the modified polyamine is amine and epoxide are those, wherein said solid support, (a) silica, silica - a alumina, alumina, titanium oxide, calcium silicate, carbon nanotube, carbon, or nano-structured support of a mixture thereof, from about 100nm Not A solid carbon dioxide adsorbent that is a nanostructured support having a full primary particle size; or (b) natural or synthetic clay, or a mixture thereof.

To provide a material having a A amine functional groups for effecting C O ₂ adsorption properties, the modified polyamine is a reaction product of an excess of amine and epoxide, carbon dioxide adsorbent according to claim 1.

Wherein the amine is primary, secondary, or tertiary alkyl amine or an alkanolamine, aromatic amine, mixed amines, Te tiger pentamine, pentaethylene hexamine, triethylene tetramine, diethylene triamine, ethylene diamine, hexaethylene Heputamin, polyethyleneimine, polyvinylamine, polyallylamine, other polymeric amine compounds, or combinations thereof, epoxides, simple epoxides, diepoxides, triepoxide, polyepoxide compounds, polymeric epoxides, of ethylene oxide, propylene oxide, 1 , 2-epoxybutane, 2,3-epoxybutane, glycidol, butyl glycidyl ether, tert-butyl glycidyl ether, dodecyl and tetradecyl glycidyl ether, o Chill / decyl glycidyl ether, 1,2-epoxycyclohexane, epichlorohydrin, glycerol diglycidyl ether, 1,4-cyclohexanedimethanol diglycidyl ether, neopentyl glycol diglycidyl ether, poly (ethylene glycol) diglycidyl ether, resorcinol diglycidyl ether, poly (propylene glycol) diglycidyl ether, 4,4'-isopropylidenediphenol diglycidyl ether, 1,2,5, 6-di-epoxy cyclooctane, trimethylolpropane triglycidyl ether, N, N The carbon dioxide adsorbent according to claim 1, which is -diglycidyl-4-glycidyloxyaniline, 4,4'-methylenebis (N, N-diglycidylaniline), or a mixture thereof.

The carbon dioxide adsorbent according to claim 1, wherein the modified polyamine is present in an amount of 1% to 90 % of the weight of the adsorbent, or approximately the same as the weight of the support.

Further comprising polyethylene oxide or polyol or various mixtures thereof in an amount of 1 to about 25% by weight of the adsorbent, wherein the polyol is glycerol, an oligomer of ethylene glycol, or polyethylene glycol, the polyethylene oxide being their counterpart The carbon dioxide adsorbent of claim 1, which can be present as an ether.

Wherein said modified polyamine is carbon dioxide adsorbent according to the various chemical species grafting method using the thus bonded to the surface of the support, according to claim 1.

Sufficient time to combine the amine, epoxide, support, and solvent into a mixture and allow the amine and epoxide to combine as a reaction product provided on and into the support; The method for preparing a carbon dioxide adsorbent according to claim 1, comprising mixing and heating the mixture, and subsequently removing the solvent to obtain the adsorbent as a solid.

The preparation method according to claim 7, wherein the solvent is water and further comprising adding a polyol or polyether to the mixture before removing the water.

Dispersing the support in a solvent to form a suspension; dissolving the amine in the same solvent to form an amine solution; providing a solution in the same solvent or epoxide in concentrated form; and for a period of time With stirring or stirring, the suspension, the amine solution, and the epoxide or epoxide solution are combined to form a mixture to form a reaction product of the amine and the epoxide, and the liquid reaction product is The method for preparing a carbon dioxide adsorbent according to claim 1, comprising removing the solvent by heating under vacuum as necessary to obtain the adsorbent as a solid.

0.1 at a temperature of the mixture 15 from 30 ° C.; amine to form an amine solution is dissolved in a solvent, an epoxide to form a concentrated form or a solution of a mixture in addition to the amine solution in the form of the same solvent Mixing for ~ 50 hours; then the mixture is heated to allow the amine and the epoxide to react completely, followed by heating for 30 seconds to 300 minutes to remove some or all of the solvent and the residual solvent If necessary, removing by heating under vacuum to obtain the modified amine, dispersing the support in the same solvent to form a suspension; and supporting the modified amine to the support The method for preparing a carbon dioxide adsorbent according to claim 1, comprising forming an adsorbent by adding to a dispersion of a body with stirring and dispersing the modified polyamine on the support.

2. Adsorbing the adsorbent according to claim 1 to a gas mixture to adsorb carbon dioxide by the adsorbent; and treating the adsorbent containing adsorbed or trapped carbon dioxide to obtain a higher carbon dioxide concentration A method of continuously capturing and separating carbon dioxide from a gas mixture by an adsorbent, comprising releasing carbon dioxide in or as purified carbon dioxide.

The method according to claim 11 , wherein carbon dioxide is captured and separated by the adsorbent from outside air having a low carbon dioxide concentration of 200 to 5000 ppm.

The adsorbent is provided in a fixed, moving, or fluidized bed, and the gas is brought into contact with the bed for a sufficient time to capture carbon dioxide in the adsorbent so that the adsorbent is adsorbed. 12. The method of claim 11 , wherein the process is performed by sufficient heat, reduced pressure, vacuum, gas purge, or combinations thereof to release a substantial or total amount of carbon dioxide.

Further comprising reacting the released carbon dioxide to produce methanol, dimethyl ether, formic acid, or carbon monoxide, wherein the methanol is a) by electrochemical reduction of carbon dioxide in water, and (b) electrochemical. By hydrogenating carbon dioxide with hydrogen produced in the step to obtain methanol, or (c) sufficient to reduce the carbon dioxide under sufficient conditions to produce methyl formate as an intermediate compound to produce methanol The intermediate compound is catalytically hydrogenated with hydrogen under mild conditions, or carbon dioxide is reduced under conditions sufficient to obtain carbon monoxide, and the intermediate compounds are obtained under conditions sufficient to obtain methyl formate. the carbon oxide is reacted with methanol, it is produced by catalytic hydrogenation of the methyl formate under conditions sufficient to produce methanol, claim The method according to 1.

(A) dehydrating said methanol under conditions sufficient to produce dimethyl ether ; or
(B) heating the dimethyl ether in the presence of an acid-base catalyst or a zeolite catalyst under conditions sufficient to form ethylene or propylene;
Under conditions sufficient to obtain higher olefins, synthetic hydrocarbons, aromatics, or products produced therefrom, for use as a raw material for chemicals or as a transportation fuel, the ethylene and / or the propylene are used. 15. The method of claim 14 , further comprising: converting; and hydrating the ethylene or propylene under conditions sufficient to form ethanol or propanol.